/**
 * Modern Reset & Base Styles
 */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    /* Color Variables */
    --primary: #ff6e42;
    --secondary: #6c757d;
    --success: #6ab04c;
    --info: #1289A7;
    --warning: #EE5A24;
    --danger: #eb4d4b;

    /* Semantic Colors */
    --blue: #0d6efd;
    --indigo: #6610f2;
    --purple: #6f42c1;
    --pink: #e83e8c;
    --red: #dc3545;
    --orange: #fd7e14;
    --yellow: #ffc107;
    --green: #198754;
    --teal: #20c997;
    --cyan: #0dcaf0;

    /* Neutrals */
    --white: #fff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Dark Theme */
    --dark-bg: #161616;
    --dark-surface: #1b1b1b;
    --text-light: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 4rem;

    /* Typography */
    --font-family-base: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /* Border Radius */
    --radius-sm: 0.2rem;
    --radius-md: 0.4rem;
    --radius-lg: 0.6rem;
    --radius-xl: 1rem;
    --radius-pill: 50rem;

    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.2);
}

/* Remove Bootstrap CSS - using custom styles instead */

body {
    margin: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--dark-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--orange);
    text-decoration: underline;
}

button {
    font-family: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    line-height: 1.2;
    color: var(--text-light);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }

/* Section Styles */
.section {
    padding-top: var(--spacing-xxl);
    padding-bottom: var(--spacing-xxl);
}

.section-title {
    margin-bottom: 0;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
    background-color: rgba(27, 27, 27, 0.95);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand img {
    max-height: 50px;
    width: auto;
}

.navbar-collapse {
    justify-content: flex-end;
}

.nav-link {
    color: var(--text-muted) !important;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    border-bottom-color: var(--primary);
}

/* Navbar Toggler */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dark-bg);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(27, 27, 27, 0.3) 0%, var(--dark-bg) 60%);
    z-index: 1;
}

.hero-section .overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../imgs/hero-bg.jpg') no-repeat center center / cover;
    opacity: 0.4;
}

.hero-section .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-section h1.subtitle {
    font-size: var(--font-size-3xl);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
    opacity: 0.9;
}

.hero-section h1.title {
    font-size: var(--font-size-5xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

/* Mouse Icon Animation */
.mouse-icon {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.mouse-icon .wheel {
    width: 24px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    position: relative;
}

.mouse-icon .wheel::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--dark-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--orange));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-number {
    display: inline-block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-md);
}

.service-title {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    color: var(--text-muted);
    line-height: 1.7;
}

/* About Section */
.about-img {
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg) !important;
}

/* Portfolio Section */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border-color: var(--primary);
}

.filter-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 110, 66, 0.9) 0%, rgba(253, 126, 20, 0.85) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-popup svg {
    fill: var(--white);
    width: 48px;
    height: 48px;
    transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-popup svg {
    transform: scale(1.2);
}

.portfolio-content {
    text-align: center;
    color: var(--white);
    padding: var(--spacing-md);
}

.portfolio-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.portfolio-subtitle {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Partners Section */
.partners-section {
    background-color: var(--dark-surface);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

.partner-card {
    padding: var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}

.partner-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.06);
}

.partner-card img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: all var(--transition-base);
}

.partner-card:hover img {
    filter: grayscale(0%);
}

/* Contact Section */
.contact-section {
    background-image: url('../imgs/contact-bg.jpg');
    position: relative;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(27, 27, 27, 0.9);
}

.contact-section .container {
    position: relative;
    z-index: 1;
}

.form-control {
    background-color: var(--dark-surface) !important;
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    padding: 0.75rem 1rem;
}

.form-control:focus {
    background-color: var(--dark-surface) !important;
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(255, 110, 66, 0.25);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
}

/* Footer */
footer {
    border-top-color: rgba(255, 255, 255, 0.1) !important;
}

footer a {
    color: var(--primary);
}

footer a:hover {
    text-decoration: none;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--orange);
    transform: translateY(-3px);
}

/* Modal */
.modal-content {
    background-color: var(--dark-surface) !important;
    border: none;
}

.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
}

#modalImageContainer img {
    max-height: 80vh;
    object-fit: contain;
}

/* Responsive Design */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--dark-surface);
        padding: var(--spacing-md);
        margin-top: var(--spacing-md);
        border-radius: var(--radius-lg);
    }

    .hero-section h1.subtitle {
        font-size: var(--font-size-2xl);
    }

    .hero-section h1.title {
        font-size: var(--font-size-4xl);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .hero-section h1.subtitle {
        font-size: var(--font-size-xl);
    }

    .hero-section h1.title {
        font-size: var(--font-size-3xl);
    }

    .services-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

/* Utility Classes */
.text-primary-custom { color: var(--primary) !important; }
.bg-dark-surface { background-color: var(--dark-surface); }
.border-secondary-light { border-color: rgba(255, 255, 255, 0.1) !important; }

/* Focus Visible for Accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}